Genuine Loctite 648 Bearing Retainer (part number LC1804413) is a high-strength, low-viscosity anaerobic retaining compound designed for bonding cylindrical fitting parts. This green liquid adhesive cures rapidly when confined in the absence of air between close-fitting metal surfaces, preventing loosening and leakage from shock and vibration. It is particularly suitable for retaining bearings, gears, and other components onto shafts and into housings, offering excellent performance on both active and inactive metals. The 24ml bottle provides a reliable solution for permanent assembly where maximum strength is required.